Select your language:
Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Durkalski, John   Submit Personal Website Send Link 
Club:  
Residence: Washington, DC
Year of birth: 1983 (Cat. german: M40)
Date of birth: 00.00.0000 (Cat. internat.: M40)
Nationality: USA USA United States
RunnerID: 670363
 

22 search results (22 Events, 1668.823 km).  (More)

2025 1 Event, 50 km  (More)
19.07.2025 Catherine's 50k Run (USA) 50km
8:23:00 h Durkalski, John   Overall: 31 M: 26 Cat M40: 6
2024 3 Events, 321.868 km  (More)
23.11.2024 JFK 50 Mile (USA) 50mi
9:07:30 h Durkalski, John *Washington, DC  Overall: 272 M: 231 Cat M40: 32
01.-02.06.2024 Old Dominion 100 Mile Endurance Run (USA) 100mi
26:32:35 h Durkalski, John *Washington, DC  Overall: 61 M: 50 Cat M40: 17
13.04.2024 Lake Sonoma 50 Mile Race (USA) 50mi
11:45:48 h Durkalski, John   Overall: 61 M: 43 Cat M40: 13
2023 4 Events, 260.934 km  (More)
02.12.2023 Devil Dog Ultra 50 km Race (USA) 50km
5:47:34 h Durkalski, John *Washington, DC  Overall: 22 M: 20 Cat M35: 5
04.11.2023 Mountain Masochist 50 Mile Trail Run (USA) 50mi
10:49:17 h Durkalski, John *Washington, DC  Overall: 32 M: 25 Cat M35: 6
22.07.2023 Catherine's 50k Run (USA) 50km
6:34:00 h Durkalski, John   Overall: 19 M: 16 Cat M35: 5
15.04.2023 Bull Run Run 50 Miler (USA) 50mi
11:00:33 h Durkalski, John   Overall: 45 M: 38 Cat M35: 6
2022 3 Events, 200 km  (More)
03.-04.12.2022 Devil Dog Ultra 100 Km Race (USA) 100km
14:28:31 h Durkalski, John *Washington, DC  Overall: 12 M: 9 Cat M35: 2
22.10.2022 PB&J Fat Ass 50K (USA) 50km
6:21:00 h Durkalski, John *DC  Overall: 6 M: 6 Cat M35: 3
23.07.2022 Catherine's 50k Run (USA) 50km
6:59:00 h Durkalski, John *DC  Overall: 21 M: 19 Cat M35: 8
2021 2 Events, 130.467 km  (More)
06.11.2021 Mountain Masochist 50 Mile Trail Run (USA) 50mi
10:51:52 h Durkalski, John   Overall: 52 M: 44 Cat M35: 8
10.07.2021 Buckeye Trail 50k (USA) 50km
6:32:45 h Durkalski, John *Washington, DC  Overall: 39 M: 32 Cat M35: 6
2019 3 Events, 294.62 km  (More)
23.11.2019 JFK 50 Mile (USA) 50mi
9:31:34 h Durkalski, John *Washington, DC  Overall: 250 M: 208 Cat M35: 44
27.-28.07.2019 Burning River 100 Mile Endurance Run (USA) 102mi
28:07:47 h Durkalski, John *Washington, DC  Overall: 90 M: 76 Cat M35: 18
27.04.2019 Endurance Challenge - Washington D.C. Trail 50 km (USA) 50km
5:10:19 h Durkalski, John *Washington, DC  Overall: 38 M: 32 Cat M35: 9
2018 1 Event, 50 km  (More)
28.04.2018 Endurance Challenge - Washington D.C. Trail 50 km (USA) 50km
5:13:51 h Durkalski, John *Washington, DC  Overall: 37 M: 33 Cat M23: 18
2017 1 Event, 100 km  (More)
02.-03.12.2017 Devil Dog Ultra 100 Km Race (USA) 100km
14:37:20 h Durkalski, John *Washington, DC  Overall: 19 M: 11 Cat M23: 4
2016 2 Events, 130.467 km  (More)
19.11.2016 JFK 50 Mile (USA) 50mi
9:30:57 h Durkalski, John *Washington, DC  Overall: 217 M: 182 Cat M23: 63
09.04.2016 Endurance Challenge - Washington D.C. Trail 50 km (USA) 50km
5:25:30 h Durkalski, John *Washington, DC  Overall: 40 M: 35 Cat M23: 17
2015 2 Events, 130.467 km  (More)
21.11.2015 JFK 50 Mile (USA) 50mi
10:42:04 h Durkalski, John *Washington, DC  Overall: 492 M: 377 Cat M23: 109
18.04.2015 Endurance Challenge - Washington D.C. Trail 50 km (USA) 50km
5:16:33 h Durkalski, John *Washington, DC  Overall: 30 M: 25 Cat M23: 13

Personal bests

Your list of personal best performances only contains performances of races which can be included into rankings.

In brackets rank in yearly international/national rankings.

 PB 2025 2024 2023 2022 2021 2019 2018 2017 2016 2015

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2021 2019 2018 2017 2016 2015
Endurance Challenge - Washington D.C. Trail 50 km 4           5:10:19 5:13:51   5:25:30 5:16:33
JFK 50 Mile 4   9:07:30       9:31:34     9:30:57 10:42:04
Catherine's 50k Run 3 8:23:00   6:34:00 6:59:00            
Devil Dog Ultra 100 Km Race 2       14:28:31       14:37:20    
Mountain Masochist 50 Mile Trail Run 2     10:49:17   10:51:52